CN205673185U - A kind of high-frequency screen of automatic adjusting amplitude - Google Patents
A kind of high-frequency screen of automatic adjusting amplitude Download PDFInfo
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- CN205673185U CN205673185U CN201620568849.3U CN201620568849U CN205673185U CN 205673185 U CN205673185 U CN 205673185U CN 201620568849 U CN201620568849 U CN 201620568849U CN 205673185 U CN205673185 U CN 205673185U
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- vibrating shaft
- vibrator
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- screen cloth
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Abstract
The utility model relates to the high-frequency screen of a kind of automatic adjusting amplitude, belongs to high frequency shale shaker technical field.Technical scheme is: screen cloth (2) is arranged on screen frame (1) by screen cloth spring (7), overlaps mutually with vibrating shaft (3) simultaneously；Vibrator (4) output is hinged with vibrating shaft；Multiple exciting unit connect same controller (6)；Described controller comprises current sampling unit (20), amplifier (21), MCU(22) and driver element (23), the output of current sampling unit connects amplifier, and the output of amplifier connects MCU, and the output of MCU connects driver element.The utility model have amplitude on-line automatic adjustable, reliable, technological effect is good, low power consumption and other advantages, solve the technical barrier that high frequency shale shaker field is thirsted for solving for a long time, promote the development of high frequency shale shaker, it may have significant economic benefit and social benefit.
Description
Technical field
The utility model relates to the high-frequency screen of a kind of automatic adjusting amplitude, belongs to high frequency shale shaker technical field.
Background technology
At present, high frequency shale shaker has been widely used in coarse slime dehydration, tailings dewatering, sandstone dehydration, chemical industry and has built
In the dehydration of the fines such as material raw material classification or graded operation.High frequency shale shaker is divided into electromagnetic vibration high frequency sieve, mechanical oscillation
High-frequency screen and the high-frequency screen three types of electromagnetism and machinery complex vibration, they are respectively arranged with pluses and minuses.Vibratory sieve major parameter is to shake
Width and vibration frequency, general fine selects higher vibration frequency, and big grain material selects relatively low vibration frequency, in design
When carry out parameter determination according to vibratory sieve range of application.
The amplitude of high frequency shale shaker also can select ratio working amplitude conveniently according to different situations when design, but
Being that, in production practices, high frequency shale shaker feeding is difficult to control to, when inventory increases, mass of vibration increases, screen(ing) machine amplitude
Diminish on the contrary.Therefore, material can not be processed in time, can form windrow phenomenon, and impact is normal to be produced.In order to overcome above-mentioned asking
Topic, people design high frequency shale shaker in subresonance state, can produce big amplitude when material increases, but, this kind of design is not
Can automatically adjust amplitude according to inventory, it is impossible to being adjusted to meet amplitude needed for inventory, operational reliability difference, duty is not
Stable, do not reach the amplitude of needs；Can not according on compass screen surface doses number, automatically adjust the size of amplitude, doses on compass screen surface
Still there will be putty phenomenon when big, on compass screen surface, doses can work when few under big amplitude state.
Utility model content
The utility model purpose is to provide the high-frequency screen of a kind of automatic adjusting amplitude, can automatically adjust according to inventory and shake
Width, can be adjusted to meet amplitude needed for inventory, and reliable, i.e. the amplitude of high frequency shale shaker is many with inventory on compass screen surface
Few, adjusted in real time, do not only reach inventory many when be adjusted to large magnitude, may also reach up and be adjusted to when inventory is few
Less amplitude, makes high frequency shale shaker be in vibrational state optimal, efficient；Process the material on compass screen surface in time, prevent
Putty phenomenon, is also prevented from the phenomenon working under big amplitude state when doses is lacked, reliable operation, failsafe simultaneously, solves the back of the body
The problems referred to above present in scape technology.
The technical solution of the utility model is:
The high-frequency screen of a kind of automatic adjusting amplitude, comprises screen frame, screen cloth, vibrating shaft, vibrator, wire barrel and controller,
Screen cloth is arranged on screen frame by screen cloth spring, simultaneously with vibrating shaft phase overlap joint；Vibrating shaft is arranged on screen frame, vibrating shaft one end
With screen cloth overlap joint, the other end is hinged with vibrator；Vibrator is arranged on screen frame, and vibrator output is hinged with vibrating shaft；Connect
The holding wire of vibrator and controller is coupled together by spool；Controller is arranged on screen frame；Screen cloth, screen cloth spring, vibrating shaft
Constituting an exciting unit with vibrator, multiple exciting unit connect same controller；Described controller comprises current sample
Unit, amplifier, MCU(micro-control unit) and driver element, the output of current sampling unit connects amplifier, amplifier defeated
Go out to connect MCU(micro-control unit), MCU(micro-control unit) output connect driver element.
The natural electric current to vibrator for the current sampling unit is sampled, and is analyzed by amplifier input MCU, sentences
Inventory on disconnected compass screen surface is how many, sends required impressed current and shakes by the supply of required impressed current to driver element, driver element
Dynamic device, vibrator is vibrated by required impressed current, reaches to use amplitude；When high-frequency screen is need to be with working one under amplitude state
After the individual setting period, no matter whether the inventory on compass screen surface changes, and MCU releases required impressed current, returns to nature electricity
Stream mode, current sampling unit re-starts natural electric current sampling, and amplified device input MCU is analyzed control again, so
Circulation, control in real time adjusts high-frequency screen amplitude so that high-frequency screen need to worked by under the optimum state of amplitude.
Described vibrator is by vibrator seat, upper magnet, solenoid, lower magnet, vibrator spring, vibrating arm and vibration-sensing rod
Composition, vibrator seat is arranged on screen frame, and upper magnet is fixed on vibrator seat, and is provided with solenoid, lower magnet and upper magnetic
Iron coupling is arranged, lower magnet is sequentially connected with vibrator spring, vibrating arm and vibration-sensing rod, and vibration-sensing rod is connected with vibrating shaft；Control
The current sampling unit of device gathers the natural electric current signal in solenoid, is analyzed by amplifier input MCU, it is judged that
Inventory on compass screen surface is how many, sends required impressed current and supplies electromagnetism to driver element, driver element by required impressed current
Coil, produces exciting force between upper magnet and lower magnet, and by the return action of vibrator spring, makes vibrating arm produce vibration
And passing to vibration-sensing rod, vibration is passed to vibrating shaft by vibration-sensing rod again.
Described vibrating shaft is made up of axis body, vibrating shaft gusset and beater plate, the axis body of vibrating shaft by vibrating shaft spring and
Bearing block is arranged on screen frame, and vibrating shaft spring housing is on axis body and is arranged in bearing block, and bearing block is fixed on screen frame；Axle
Body is connected with the vibration-sensing rod of vibrator；Axis body is provided with multiple vibrating shaft gusset, vibrating shaft link of boards beater plate, beater plate with
Screen cloth overlaps；Vibration is passed to screen cloth by beater plate by the vibration of axis body.
Described high-frequency screen, screen cloth forms first mass-spring system, the lower magnet of vibrator, vibration with screen cloth spring
Bar and vibrator spring form second mass-spring system, and the axis body of vibrating shaft and vibrating shaft spring form the 3rd quality bullet
Spring system；Three mass-spring systems constitute the mode of vibration of two-stage vibration transmission, and vibrator produces vibration and passes to vibrating shaft,
Vibrating shaft produces vibration and passes to screen cloth again；Owing to high-frequency screen amplitude is continually changing, and when inventory is more, can be bigger
Work under amplitude state, the mode of vibration of above-mentioned two-stage vibration transmission, it is ensured that reliability under large magnitude state for the high-frequency screen.
The beneficial effects of the utility model are:
1st, the utility model adjusts amplitude by the automatic electric current that is monitored and controlled, and technique is simple, it is easy to accomplish.This practicality
Novel amplitude of directly not monitoring, does not directly monitor inventory, so without displacement transducer, without belt conveyer scale, by monitoring
Can be achieved with the adjustment to amplitude with control electric current, technology arrangement is easier with realization；
2nd, automatically to adjust amplitude accurately controlled for the utility model, it is ensured that the utility model work in the state of high efficient and reliable
Make.The amplitude that the utility model adjusts is to be adjusted to the utility model to need much amplitudes, settles to much amplitudes, and amplitude is adjusted
Whole size is controlled, does not haves amplitude not or in the excessive situation of amplitude；This way it is ensured that of the present utility model shake
Dynamic state is accurately, efficiently, also avoids the utility model by the excessive infringement of amplitude, so being reliable simultaneously.The back of the body
Though the amplitude that scape technology has can adjust, but can not realize that on-line tuning or can not realize on-demand adjustment；
3rd, the utility model is under big amplitude duty, still ensures that reliability.The utility model uses two-stage transmission
And the vibration mode amplified, so, when screen cloth has big amplitude, other position amplitudes still not super allowed band, it is ensured that this
The reliability of utility model.The utility model reach according on compass screen surface doses number, automatically adjust the size of amplitude, locate in time
Material on reason compass screen surface, prevents putty phenomenon, is also prevented from the phenomenon working under big amplitude state when doses is lacked simultaneously, and
And, no matter under big amplitude state, or under little amplitude state, high-frequency screen all energy reliable operation, failsafe, solve this
The technical barrier thoroughly solving is thirsted in field for a long time, promotes the technology development of high frequency shale shaker.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of vibrator in the utility model；
Fig. 3 is the structural representation of vibrating shaft in the utility model；
Fig. 4 is that the A of vibrating shaft in the utility model is to schematic diagram；
Fig. 5 is the structural representation of the utility model middle controller；
In figure: screen frame the 1st, screen cloth the 2nd, vibrating shaft the 3rd, vibrator the 4th, wire barrel the 5th, controller the 6th, screen cloth spring the 7th, vibrator seat is the 8th,
Upper magnet the 9th, solenoid the 10th, lower magnet the 11st, vibrator spring the 12nd, vibrating arm the 13rd, vibration-sensing rod the 14th, bearing block the 15th, vibrating shaft bullet
Spring the 16th, axis body the 17th, vibrating shaft gusset the 18th, beater plate the 19th, current sampling unit the 20th, amplifier the 21st, MCU(micro-control unit) the 22nd,
Driver element 23.
Detailed description of the invention
Below in conjunction with the accompanying drawings, by embodiment, the utility model is described further.
The high-frequency screen of a kind of automatic adjusting amplitude, comprises screen frame the 1st, screen cloth the 2nd, vibrating shaft the 3rd, vibrator the 4th, wire barrel 5 and control
Device 6 processed, screen cloth 2 is arranged on screen frame 1 by screen cloth spring 7, simultaneously with vibrating shaft 3 phase overlap joint；Vibrating shaft 3 is arranged on screen frame 1
On, vibrating shaft 3 one end and screen cloth 2 overlap, and the other end is hinged with vibrator 4；Vibrator 4 is arranged on screen frame 1, and vibrator 4 is defeated
Go out end hinged with vibrating shaft 3；The holding wire of vibrator 4 and controller 6 is coupled together by wire barrel 5；Controller 6 is arranged on screen frame
On 1；Screen cloth the 2nd, screen cloth spring the 7th, vibrating shaft 3 and vibrator 4 constitute an exciting unit, and multiple exciting unit connect same control
Device 6 processed；Described controller 6 comprises current sampling unit the 20th, amplifier the 21st, MCU(micro-control unit) 22 and driver element 23, electricity
The output of stream sampling unit 20 connects amplifier 21, and the output of amplifier 21 connects MCU(micro-control unit), MCU(microcontroller list
Unit) 22 output connect driver element 23.
The natural electric current to vibrator for the current sampling unit is sampled, and is analyzed by amplifier input MCU, sentences
Inventory on disconnected compass screen surface is how many, sends required impressed current and shakes by the supply of required impressed current to driver element, driver element
Dynamic device, vibrator is vibrated by required impressed current, reaches to use amplitude；When high-frequency screen is need to be with working one under amplitude state
After the individual setting period, no matter whether the inventory on compass screen surface changes, and MCU releases required impressed current, returns to nature electricity
Stream mode, current sampling unit re-starts natural electric current sampling, and amplified device input MCU is analyzed control again, so
Circulation, control in real time adjusts high-frequency screen amplitude so that high-frequency screen need to worked by under the optimum state of amplitude.
The 12nd, described vibrator 4 is vibrated by vibrator seat the 8th, upper magnet the 9th, solenoid the 10th, lower magnet the 11st, vibrator spring
Bar 13 and vibration-sensing rod 14 form, and vibrator seat 8 is arranged on screen frame 1, and upper magnet 9 is fixed on vibrator seat 8, and is provided with electromagnetism
Coil 10, lower magnet 11 mates arrangement with upper magnet 9, and lower magnet 11 and vibrator spring the 12nd, vibrating arm 13 and vibration-sensing rod 14 depend on
Secondary connection, vibration-sensing rod 14 is connected with vibrating shaft 3；The current sampling unit of controller gathers the natural electric current letter in solenoid
Number, it is analyzed by amplifier input MCU, it is judged that the inventory on compass screen surface is how many, send required impressed current single to driving
Unit, driver element supplies solenoid by required impressed current, produces exciting force, and pass through between upper magnet 9 and lower magnet 11
The return action of vibrator spring 12, makes vibrating arm 13 produce vibration and pass to vibration-sensing rod 14, and vibration is passed by vibration-sensing rod 14 again
Pass vibrating shaft 3.
Described vibrating shaft 3 is made up of axis body the 17th, vibrating shaft gusset 18 and beater plate 19, and the axis body 17 of vibrating shaft 3 is by shaking
Moving axis spring 16 and bearing block 15 are arranged on screen frame 1, and vibrating shaft spring 16 is enclosed within axis body 17 and is arranged in bearing block 15,
Bearing block 15 is fixed on screen frame 1；Axis body 17 is connected with the vibration-sensing rod 14 of vibrator 4；Axis body 17 is provided with multiple vibration axial rib
Plate 18, vibrating shaft gusset 18 connects beater plate 19, beater plate 19 and screen cloth overlap joint；The vibration of axis body 17 will be shaken by beater plate 19
Move and pass to screen cloth 2.
Described screen cloth 2 forms first mass-spring system with screen cloth spring 7, and the 11st, the lower magnet of described vibrator vibrates
Bar 13 and vibrator spring 12 form second mass-spring system, and the axis body 17 of described vibrating shaft and vibrating shaft spring 16 form
3rd mass-spring system；Owing to high-frequency screen amplitude is continually changing, and when inventory is more, can be under big amplitude state
Work, the utility model have employed three mass-spring systems, the mode of vibration of two-stage vibration transmission, and vibrator produces vibration and passes
Passing vibrating shaft, vibrating shaft produces vibration and passes to screen cloth again, it is ensured that reliability under big amplitude state for the high-frequency screen；In vibration
When device amplitude passes to vibrating shaft, the amplitude of vibrating shaft passes to screen cloth, amplitude all can be amplified by two processes, i.e. has
Two-stage amplification, typically amplifies 1.2～3 times.
The utility model uses the vibrator of magneto-electric vibration, controls amplitude by controlling electric current；High-frequency screen amplitude is pressed
Non-loaded amplitude, 20% load amplitude, 40% load amplitude, 60% load amplitude, 80% load amplitude, 100% load amplitude, 120% load
Lotus amplitude, 140% load amplitude, 160% load amplitude, 180% load amplitude, 200% load amplitude design, be computed or test really
Natural amplitude under fixed each load and natural electric current；Then the need amplitude calculating respectively again or testing under each load and pressure electricity
Stream.
Claims (3)
1. the high-frequency screen of an automatic adjusting amplitude, it is characterised in that: comprise screen frame (1), screen cloth (2), vibrating shaft (3), vibration
Device (4), wire barrel (5) and controller (6), screen cloth (2) is arranged on screen frame (1) by screen cloth spring (7), simultaneously and vibrating shaft
(3) overlap mutually；Vibrating shaft (3) is arranged on screen frame (1), and vibrating shaft (3) one end overlaps with screen cloth (2), the other end and vibrator
(4) hinged；Vibrator (4) is arranged on screen frame (1), and vibrator (4) output is hinged with vibrating shaft (3)；Wire barrel (5) will shake
The holding wire of dynamic device (4) and controller (6) couples together；Controller (6) is arranged on screen frame (1)；Screen cloth (2), screen cloth spring
(7), vibrating shaft (3) and vibrator (4) constitute an exciting unit, and multiple exciting unit connect same controller (6)；Described
Controller (6) comprises current sampling unit (20), amplifier (21), MCU(22) and driver element (23), current sampling unit
(20) output connects amplifier (21), and the output of amplifier (21) connects MCU, MCU(22) output connect driver element
(23).
2. the high-frequency screen of a kind of automatic adjusting amplitude according to claim 1, it is characterised in that: described vibrator (4) by
Vibrator seat (8), upper magnet (9), solenoid (10), lower magnet (11), vibrator spring (12), vibrating arm (13) and biography are shaken
Bar (14) forms, and vibrator seat (8) is arranged on screen frame (1), and upper magnet (9) is fixed on vibrator seat (8), and is provided with electromagnetism
Coil (10), lower magnet (11) mates arrangement, lower magnet (11) and vibrator spring (12), vibrating arm (13) with upper magnet (9)
Being sequentially connected with vibration-sensing rod (14), vibration-sensing rod (14) is connected with vibrating shaft (3).
3. the high-frequency screen of a kind of automatic adjusting amplitude according to claim 1 and 2, it is characterised in that: described vibrating shaft (3)
Being made up of axis body (17), vibrating shaft gusset (18) and beater plate (19), the axis body (17) of vibrating shaft (3) passes through vibrating shaft spring
(16) being arranged on screen frame (1) with bearing block (15), vibrating shaft spring (16) is enclosed within axis body (17) and above and is arranged on bearing block
(15), in, bearing block (15) is fixed on screen frame (1)；Axis body (17) is connected with the vibration-sensing rod (14) of vibrator (4)；Axis body (17)
Being provided with multiple vibrating shaft gusset (18), vibrating shaft gusset (18) connects beater plate (19), and beater plate (19) overlaps with screen cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620568849.3U CN205673185U (en) | 2016-06-13 | 2016-06-13 | A kind of high-frequency screen of automatic adjusting amplitude |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620568849.3U CN205673185U (en) | 2016-06-13 | 2016-06-13 | A kind of high-frequency screen of automatic adjusting amplitude |
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| Publication Number | Publication Date |
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| CN205673185U true CN205673185U (en) | 2016-11-09 |
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ID=57432479
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620568849.3U Active CN205673185U (en) | 2016-06-13 | 2016-06-13 | A kind of high-frequency screen of automatic adjusting amplitude |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733630A (en) * | 2016-12-30 | 2017-05-31 | 江苏大学 | A kind of shaker vibration frequency self-checking device and adjusting method |
| CN109078841A (en) * | 2018-06-28 | 2018-12-25 | 湖北大学 | A kind of control based on network device and method of stack high-frequency vibration undersize sieve |
| CN109675793A (en) * | 2019-01-15 | 2019-04-26 | 中国矿业大学(北京) | A kind of sand-pebble layer Automated Sorting System device and its application method |
-
2016
- 2016-06-13 CN CN201620568849.3U patent/CN205673185U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733630A (en) * | 2016-12-30 | 2017-05-31 | 江苏大学 | A kind of shaker vibration frequency self-checking device and adjusting method |
| CN106733630B (en) * | 2016-12-30 | 2023-09-22 | 江苏大学 | Automatic adjusting device and adjusting method for vibration frequency of vibrating screen |
| CN109078841A (en) * | 2018-06-28 | 2018-12-25 | 湖北大学 | A kind of control based on network device and method of stack high-frequency vibration undersize sieve |
| CN109675793A (en) * | 2019-01-15 | 2019-04-26 | 中国矿业大学(北京) | A kind of sand-pebble layer Automated Sorting System device and its application method |
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| GR01 | Patent grant |